Home / 138,220,709.80-207,331,839.66-46,104,194.92

Finding the Fourth Proportional to 138,220,709.80, 207,331,839.66 and 46,104,194.92

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Solution

The fourth proportional to 138,220,709.80, 207,331,839.66 and 46,104,194.92 is: 69,156,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,220,709.80 : 207,331,839.66 = 46,104,194.92 : x
  2. Step 2: Convert to fraction form
    138,220,709.80/207,331,839.66 = 46,104,194.92/x
  3. Step 3: Cross multiply
    138,220,709.80x = 207,331,839.66 × 46,104,194.92
  4. Step 4: Simplify right side
    138,220,709.80x = 9,558,867,548,806,826
  5. Step 5: Solve for x
    x = 9,558,867,548,806,826/138,220,709.80
  6. Step 6: Final answer
    x = 69,156,550.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.